Table 2.

Amino acid homology of HCV E2 proteins

Protein% Identity of E2 sequencesa
HCV-1Q1aQ1bQ2aQ2b
HCV-1100
Q1a90.1100
Q1b79.978.8100
Q2a71.971.472.5100
Q2b70.870.074.181.7100
  • a Comparisons are based on the amino acid sequence of full-length E2 protein (amino acids 384 to 746 of HCV-1 polyprotein). HCV-1 refers to the initial HCV isolate (5).